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LibGUI+LibGfx: Highlight currently active tab button with accent color

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Use the new "Accent" color role to emphasize the currently active tab
within a GUI::TabWidget. :^)
This commit is contained in:
Andreas Kling 2021-07-28 20:23:31 +02:00
parent 9826d616dd
commit 410b3c85b6
5 changed files with 29 additions and 10 deletions
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25
Userland/Libraries/LibGfx/ClassicStylePainter.cpp
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@ -14,7 +14,7 @@
namespace Gfx {
void ClassicStylePainter::paint_tab_button(Painter& painter, const IntRect& rect, const Palette& palette, bool active, bool hovered, bool enabled, bool top)
void ClassicStylePainter::paint_tab_button(Painter& painter, const IntRect& rect, const Palette& palette, bool active, bool hovered, bool enabled, bool top, bool in_active_window)
{
Color base_color = palette.button();
Color highlight_color2 = palette.threed_highlight();
@ -32,7 +32,17 @@ void ClassicStylePainter::paint_tab_button(Painter& painter, const IntRect& rect
painter.fill_rect({ 1, 1, rect.width() - 2, rect.height() - 1 }, base_color);
// Top line
painter.draw_line({ 2, 0 }, { rect.width() - 3, 0 }, highlight_color2);
if (active) {
auto accent = palette.accent();
if (!in_active_window)
accent = accent.to_grayscale();
painter.draw_line({ 3, 0 }, { rect.width() - 3, 0 }, accent.darkened());
Gfx::IntRect accent_rect { 1, 1, rect.width() - 2, 2 };
painter.fill_rect_with_gradient(accent_rect, accent, accent.lightened(1.5f));
painter.set_pixel({ 2, 0 }, highlight_color2);
} else {
painter.draw_line({ 2, 0 }, { rect.width() - 3, 0 }, highlight_color2);
}
// Left side
painter.draw_line({ 0, 2 }, { 0, rect.height() - 1 }, highlight_color2);
@ -54,7 +64,16 @@ void ClassicStylePainter::paint_tab_button(Painter& painter, const IntRect& rect
painter.fill_rect({ 0, 0, rect.width() - 1, rect.height() }, base_color);
// Bottom line
painter.draw_line({ 2, rect.height() - 1 }, { rect.width() - 3, rect.height() - 1 }, shadow_color2);
if (active) {
auto accent = palette.accent();
if (!in_active_window)
accent = accent.to_grayscale();
Gfx::IntRect accent_rect { 1, rect.height() - 3, rect.width() - 2, 2 };
painter.fill_rect_with_gradient(accent_rect, accent, accent.lightened(1.5f));
painter.draw_line({ 2, rect.height() - 1 }, { rect.width() - 3, rect.height() - 1 }, accent.darkened());
} else {
painter.draw_line({ 2, rect.height() - 1 }, { rect.width() - 3, rect.height() - 1 }, shadow_color2);
}
// Left side
painter.draw_line({ 0, 0 }, { 0, rect.height() - 3 }, highlight_color2);